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Infrared induction based expressway traveling system in thick foggy weather

A highway and infrared technology, which is applied in the traffic control system of road vehicles, traffic control systems, roads, etc., can solve the problems of restoring road scenes, failing to solve the problem of vehicle traffic, and the way of image enhancement can not be better, so as to improve traffic Ability, the effect of improving the distance of visibility

Inactive Publication Date: 2012-02-15
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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Problems solved by technology

[0003] Closing the expressway can effectively prevent highway traffic accidents caused by heavy fog, but the cost is obvious; based on regional road section meteorological monitoring and fog early warning, it can warn drivers to pay attention to road conditions, but it cannot solve the problem of vehicles passing under dense fog. Problem: The traffic scheme based on light induction can guide the vehicle under certain fog conditions, but when the fog condition is severe, the vehicle still cannot obtain road edge information; the traffic scheme based on GPS and ZigBee LAN technology depends on GPS accuracy, And the edge information of the road cannot be obtained; when the fog is small, the image enhancement method can be used to improve the clarity of the road image to guide driving, but when the fog is large, the image enhancement method can no longer restore the road scene well

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  • Infrared induction based expressway traveling system in thick foggy weather
  • Infrared induction based expressway traveling system in thick foggy weather
  • Infrared induction based expressway traveling system in thick foggy weather

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Embodiment Construction

[0019] The present invention will be further described in detail below in combination with specific embodiments.

[0020] refer to figure 1 As shown, the technical solution of the present invention utilizes the stronger fog penetration ability of infrared light relative to visible light, and lays infrared induction signs on both sides of the expressway, including infrared induction signs layout 1 on both sides of the straight road section, infrared induction sign layout 2 in the turning area, ramp Layout of regional infrared guidance signs 3. Infrared guidance signs for toll stations and areas entering and exiting expressways 4. Vehicles on expressways are equipped with infrared detection and imaging systems 5. Infrared guidance signs on the side of the road, the distance between adjacent guidance signs on the same side of the road is equal and the line between the corresponding guidance signs on both sides of the road is perpendicular to the edge of the road; the above-mentio...

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Abstract

The invention relates to an infrared induction based expressway traveling system in thick foggy weather. In the system, since infrared has stronger fog transmission ability in comparison with visible light, infrared induction signs are paved at both sides of an expressway, and an infrared imaging device is used for acquiring the infrared induction signs and the infrared irradiation of vehicles ahead. By extracting the infrared induction signs and computing the position and direction parameters of vehicles, the system guides the running of the vehicles in thick foggy weather and reduces the influence of thick fog on the traveling on the expressway.

Description

technical field [0001] The invention relates to the technical field of expressway traffic in dense fog, more precisely, the present invention is an infrared-induced dense fog expressway traffic system for realizing vehicle traffic on expressways under dense fog conditions. Background technique [0002] The experience of expressway operation and management in various countries in the world shows that among all the unfavorable climatic conditions, heavy fog is the most harmful to expressway operation. At present, the methods for reducing or preventing highway traffic accidents caused by heavy fog in the world mainly include the following categories: closing the highway, automatic fog warning and speed limit control, light guidance and vehicle auxiliary driving. [0003] Closing the expressway can effectively prevent highway traffic accidents caused by heavy fog, but the cost is obvious; based on regional road section meteorological monitoring and fog early warning, it can warn...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08G1/00E01F9/00E01F9/40E01F9/604
Inventor 吴昆明徐贵力姚杰倪玮基吕东岳
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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